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anonymous

  • one year ago

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  1. anonymous
    • one year ago
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    A rectangle has sides measuring (4x + 5) units and (3x + 10) units. Part A: What is the expression that represents the area of the rectangle? Show your work to receive full credit. (4 points) Part B: What are the degree and classification of the expression obtained in Part A? (3 points) Part C: How does Part A demonstrate the closure property for polynomials? (3 points)

  2. anonymous
    • one year ago
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    (4x+5)(3x+10) DO YOU KNOW FOIL?

  3. anonymous
    • one year ago
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    yes

  4. anonymous
    • one year ago
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    cool, do it

  5. anonymous
    • one year ago
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    I need help

  6. anonymous
    • one year ago
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    ok so 12x^2 + 40x + 15x + 50

  7. anonymous
    • one year ago
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    What about that?

  8. anonymous
    • one year ago
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    do you get how I used foil to get that?

  9. anonymous
    • one year ago
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    Not really... for area dont you just multiply the two together

  10. anonymous
    • one year ago
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    When I multiplied the two together I got 12x^2+55x+50

  11. anonymous
    • one year ago
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    @twistnflip

  12. anonymous
    • one year ago
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    perfect

  13. anonymous
    • one year ago
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    This is the expression for part a

  14. anonymous
    • one year ago
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    Oh ok so for part b...

  15. anonymous
    • one year ago
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    Well the degree is the highest exponent, so 2 and classification I would assume quadratic, what classification do they want you to do. What did you learn

  16. anonymous
    • one year ago
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    I think it would be a polynomial degree of 2 because thats what we are learning about

  17. anonymous
    • one year ago
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    so part c...

  18. anonymous
    • one year ago
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    perfect. now part c do you know what closure is?

  19. anonymous
    • one year ago
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    No

  20. anonymous
    • one year ago
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    Sounds familiar

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spraguer (Moderator)
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